![](http://pdfasset.owneriq.net/b/7f/b7f6da05-02bd-ea54-4d49-9b39a5466256/b7f6da05-02bd-ea54-4d49-9b39a5466256-bg12.png)
complies with EN 50332-2 Sub clause 5.1. This specification limits the computer’s
maximum wide band true RMS output voltage to 150mV. To help protect against
hearing loss, ensure that the headphones or earphones you use also comply with
EN 50332-2 (Sub clause 6.1) for a wide band characteristic voltage of 75mV. Using
headphones that do not comply with EN 50332-2 can be dangerous due to
excessive sound pressure levels.
If your Lenovo computer came with headphones or earphones in the package, as a
set, the combination of the headphones or earphones and the computer already
complies with the specifications of EN 50332-1. If different headphones or
earphones are used, ensure that they comply with EN 50332-2. (Sub clause 6.1) for
a wide band characteristic voltage of 75mV. Using headphones that do not comply
with EN 50332-2 can be dangerous due to excessive sound pressure levels.
Additional safety information
Plastic bags can be dangerous. Keep plastic bags away from babies and children to
avoid danger of suffocation.
xvi User Guide